Make sure the Windows Update service is not disabled.
Load the function at runtime with GetProcAddress . Fall back to GetSystemTimeAsFileTime + QueryPerformanceCounter hybrid if not available. This ensures compatibility across all Windows 7 SP1 systems (patched or not).
The function GetSystemTimePreciseAsFileTime is not available on Windows 7; it was first introduced in . Because Windows 7 has reached its official end of life, Microsoft has not released an update to backport this specific function. Understanding the Compatibility Gap getsystemtimepreciseasfiletime windows 7 upd
// win7_api_patch.dll void WINAPI GetSystemTimePreciseAsFileTime(LPFILETIME lpSystemTimeAsFileTime) GetSystemTimeAsFileTime(lpSystemTimeAsFileTime);
wmic qfe list hotfixid | find "KB2813345" Make sure the Windows Update service is not disabled
: Look for an older version of the application released before 2020–2021, when Windows 7 support was still common (e.g., Aseprite v1.3.9.2 or Strawberry 0.9.3).
According to Microsoft documentation , GetSystemTimePreciseAsFileTime is supported on Windows 8 and later. This ensures compatibility across all Windows 7 SP1
If you're doing high-resolution timing on Windows, you've probably encountered GetSystemTimePreciseAsFileTime . It provides sub-microsecond precision (typically ~1 µs) using the system's or RDTSC .
The core issue is an across different versions of the Windows NT kernel:
Make sure the Windows Update service is not disabled.
Load the function at runtime with GetProcAddress . Fall back to GetSystemTimeAsFileTime + QueryPerformanceCounter hybrid if not available. This ensures compatibility across all Windows 7 SP1 systems (patched or not).
The function GetSystemTimePreciseAsFileTime is not available on Windows 7; it was first introduced in . Because Windows 7 has reached its official end of life, Microsoft has not released an update to backport this specific function. Understanding the Compatibility Gap
// win7_api_patch.dll void WINAPI GetSystemTimePreciseAsFileTime(LPFILETIME lpSystemTimeAsFileTime) GetSystemTimeAsFileTime(lpSystemTimeAsFileTime);
wmic qfe list hotfixid | find "KB2813345"
: Look for an older version of the application released before 2020–2021, when Windows 7 support was still common (e.g., Aseprite v1.3.9.2 or Strawberry 0.9.3).
According to Microsoft documentation , GetSystemTimePreciseAsFileTime is supported on Windows 8 and later.
If you're doing high-resolution timing on Windows, you've probably encountered GetSystemTimePreciseAsFileTime . It provides sub-microsecond precision (typically ~1 µs) using the system's or RDTSC .
The core issue is an across different versions of the Windows NT kernel: